code: def __call__(self, loc, scale, chunk_size=None):
      return self.new_tensor(
          [loc, scale], None, raw_chunk_size=chunk_size
      )
  
file_path: mars/mars/tensor/random/laplace.py
imports: import numpy
  from ...None import opcodes
  from ...serialization.serializables import AnyField
  from ..utils import gen_random_seeds
  from .core import TensorRandomOperandMixin, handle_array, TensorDistribution
label_desc: Use image node_id 1 for calling the TensorLaplace obj's underlying member method code with example usage: obj.__call__(loc, scale, chunk_size) and returns: self